Carpet and method of manufacturing the same



Jan. 20, 1931. G. sTRAUB CARPET AND METHOD OF MANUFACTURING THE SAIEFiled Oct. 5. 1928 2 yShouts-Sheet 1 /far w lan. 20,- 1931.

G. sTRAuB v CARPETAND METHOD OF MANUFACTURING THE SAME Filed oet. s,192s 2 -Sheet's-Sheet 2 -ZW venan' A; f/frz'ea? rau itis not lVisible'Wh i'lth re-y y According te the. mventlon, wmp, divided at bothlendsintofanupper.and'a'10 erfbficwhich fabricsaref-.ech'ifqlddloverf 1.inwardlyfuponzchemseivsand Meli-steile@ 2:?V together. "The earp'etV`may .be a single," or,"

i I Y which ends maybe turned in on itself andfthehalves of the endsstitehedto'gether to form a smooth hem on bothsides of the fabric..

turned-over" 'carpet seam.V

J The manufaoture'of aoaipetacoordingjto 50', the invention may becarried out in` existing:

Ammbodiment L@faire inventan .Wiliam be :described with Tefer'e'nee tofthe f aclom 70 i The invention` represents an important-ad; Y vanceinthe carpet'-in'olu'stry,l as it is 110Wl possible tol have. a Afabric;vthe two fsides of which may beused :with 1 equalV` 'eonvelatence;;at'the sametinieeieoting a' Considerable saying inthe costsofoori-ooverings.- :The samev applies to ,onefsidedpatterne-d carpets,`f s o1 V thatthe said' carpets alsmay beused-on the f reverse side,which has no turned-overisea1n`. i e

" VVt e y.Atlthelfablfiefiscut ss nat a: the adjacent main-.peana `Aoheseparaterupper an'A ',f

naL sect1 porti:

not a c pieces of carpet' have been woventogetherend to end.

' n the lines 6,oso that the thinner Woven ends composed of threads 7Will be disposed'at the inside between the`upper rand lower fabric;

The whole issewn at 9 and, if. desired; fur` ther finished by beingpressed, .'for'exnmple. VThe ytotal thickness o t be woven entirelysplit, i; e. hollow or tnbular.

The weaving 0f the'car et fabric as will be readlylunderstoodis dierent-inthesplit" portonsjthan in thebody portions of, the car pet andit wouljdnrma y be necessa y either` be employ jverylongpatterne'hanRoonv trolling the `jdolobiesfr and Y shuttles, respec- Y' Q0kt'lfvelyyo'r elsejto changethese chainsswhen .Figs. 4, 5 and 6.illustrate a` trollingl the Weaving of acarpet accordin'o e vSi theinvention in a drop box dobbyloom.

weavingvlis controlled bythe rotation of roller,

ychains 17 and 20; carrledfby sprocket wheel respectively, forcontrolling the shedd'ilig and Y the other comprising twoesetsofjrollereyQl and 22, respectively, foreontrolling the 'llutf Hmilopedin Fig. 6.v The: large rollers 1 v.and

about the lowering of tlyne-correspkrmdi'ng'warp` i lThe sets oflrollers 18V and f weaving Aduring the makingv ofsay the-@body theweaving ofthe split portionsfof the cari pet ;=the change *of controlvbeing eected *when the fabriorea'ches the point represented at 4, 4 inFig. 3, by slidin the sprocketsleeves carrying the ch'ainsto t erightorto the left, tobng the appropriate sets of rollers into operativeposition and to Amowe the otherklsets out of operative position.4 Thesleevesjll'and 12 maybe permanently positioned on the he seam thusobtained c 10 need not be larger than the normal'thicknessv i ofthe mainportion'efithecarpet.` `*i i tion" of the carpetbetween the lines meyV.thong K *A Iorfagoo'd' comprehensionlof the, matter tlc changeyand thechains-are arranged' so that the sets of ro1lers18v and `21orf1iland j122, are Operative togetherto control the-:weave P1 ing. Apartofchainf17vis1shownfu1l delo o ble swivel` warm Sel ."19 cause the`liftingV of the corresponding'.

warp? threads, while the-thinner rollershring d real k1y ,foldedinwardlyuponthemselyes and fas- -of:a:carpetrwhilethesets'19 and controlchains is obtained; .The manipulation of the c A ci chains vis thussimplified, asthe change of The fabric cut to size is `folded-overvalongv Ws eeves axvi'a ly .and reinserting the pins toy maintain thernewpositioning ofthe sleeves.

I f desired,;the sleeves 11 and 12 `could be inte'grll orfrigidlyconnected to'` slide together, or themovement'of'the-sleeves can be ee'eotedfby a singlemovement of the shaft'10,fa`slhasalreadybeenmentioned The sheddinl may becarried out vby thejacquardmec anismngthu's doing awaycwith the dobbiesciandlthe sets ofrollersthereon.;V Other obvius equivalent arrangements'inight also beSgesedfbut those @beve 'indseted are tto bethemost convenient.

it is] remarked that the, method-fand vdevice described :for themanllfatllr 0f a: carpet accordingytothefinyentin areslubmitted by Wayrof example, since thepurpose aimed. at may beobtained Ivirionsotherwaysi. The operationofths, shuttles and shafts, for nstance,xnig n t beeffected entirelybyI avsi'ngle ffjacquardmechanisrm. .i Y I I claim:-

bl smiled Wan?, ,Se-id. varpvbeinsfdiidd warps-an id werps beingwovenwithrweft Ajrsvrsible carpet formedfivith 'afdouf' e headswhicharethinner thanl thef weft threadspfthe menpmionof 'the' 'carpet andepfetly flded inwardly u *Onithemselves apd fastened together Saas toQrm gne Single round s interlaced.:A 'erewithi beingcseparatefweedtgether *,0 yfmm one Singlefpiece Y lIn. testimony whereof I aix`my` s1 nature.

shaft k; which shaftf may be slidable; or n l the sleeves may besilidable -onthe' y'sha-f1; `'and f n c securedin positiontemporarilybymeans of tion, :the required ndisposition of `the Aroller pinspassing'throngh' holes'13 or 15 `and 14- f` ,/GOTTFRIEDLSTR Ue.A

Warp being :divided at A through ythemv to hold the [sprocket in posi#

